ECTFE Properties

Teflon Properties from Tef Cap

Ethylene Chloro-Trifluoroethylene

PropertiesUnits / ASTMPTFE
MECHANICAL PROPERTIES
Specific GravityD7921.68
Elongation %D638200 - 300
Tensile Strength (psi)D6386,000 - 7,800
Flexural Strength (psi)D7907,000
Compressive StrengthD6951,276 - 1,711
Tensile Elastic Modulus (Young's Modulus) (psi)D638240,000
Flexural Modulus 103MPa (103kgf/cm2)D790240,000
Flex Life (MIT cycles)D2176N/A
Hardness Durometer Shore DD636D75 - 90
Coefficient of Friction on steel.19
Abrasion Resistance 1000 revs.Taber.005
Impact Strength IZOD 73°F/23°C, notched ft/lbs/inD256No Break
THERMAL PROPERTIES
Melting Point°F464
Upper Service Temperature (20,000h)°F300 - 340
Flame RatingUL 94V-O
Thermal ConductivityBTU/hr/ft2/deg °F in1.6
Linear Coefficient of Thermal ExpansionD696N/A
Heat of FusionBTU/LBN/A
Heat of CombustionBTU/LBN/A
Low Temperature Embrittlement°F-105
ELECTRICAL PROPERTIES
Dielectric ConstantD150/103Hz ( 106Hz )2.5
Dielectric Strength 10 mil filmD149N/A
Volume Resistivity ohm-cmD257>10^16
Surface Resistivity ohm/sq.D257>10^14 >10^15
GENERAL PROPERTIES
Chemical/Solvent ResistanceD543Excellent
Water Absorption, 24hr / %<0.01
Deformation Under LoadD621/110°C.2
Refractive Index1.447
Limiting Oxygen Index %60